baber/WOPTO huggingface dataset:
Patent KR-20020006188-A (KR)
Title: Spin dryer having device for preventing vortex flow
Inventor: LEE YEON BO
IPC: H01L21/304
Filed: 2000-07-11
Abstract: PURPOSE: A spin dryer having a vortex prevention apparatus is provided to prevent a defective wafer caused by particles or water spots, by effectively reducing vortex generated from a spin dryer process and by preventing air from being induced again to a cradle of the spin dryer. CONSTITUTION: The spin dryer process is performed in a cylindrical process chamber(1). A plurality of semiconductor wafers are installed in the cradle(2) disposed inside the process chamber. A circular rotor fixes the cradle. A plurality of fans(6) are cornerwise disposed along the circumferential surface between the rotor and the process chamber. A guide fixing fan fixes the fans, disposed in the process chamber. An exhaust port is mounted on the side surface of the process chamber.
Patent KR-20020006278-A (KR)
Title: align test equipment of wafer
Inventor: YOON GI YEONG
IPC: H01L21/66
Filed: 2000-07-12
Abstract: PURPOSE: An apparatus for testing wafer alignment in a horizontal diffusion furnace is to provide the same effect as is obtained from a real wafer for inspecting horizontal alignment of a wafer carrier and the internal condition of the horizontal diffusion furnace, and to control the weight of the testing apparatus according as the number of lots of the wafer increases. CONSTITUTION: At least two rows of a plurality of load holes(11,21) which insert a load in a direction horizontal to a passing hole(30), are formed near a cylinder the center of which is composed of the passing hole. A plate shielding the passing hole and the load hole is adhered to both outer surfaces of the cylinder.
Patent KR-20020006297-A (KR)
Title: 3D graphic accelerator based on MPEG
Inventor: HAN TACK DON
IPC: G06T17/00
Filed: 2000-07-12
Abstract: PURPOSE: An MPEG(Moving Picture Experts Group)-based 3D graphic accelerator is provided to accelerate efficiently 3D graphic data on an MPEG-based HDTV(High Definition TeleVision) or a DTV(Digital TeleVision) by mounting a 3D graphic accelerator in a video decoder. CONSTITUTION: A 3D graphic accelerator(200) outputs 3D graphic data by processing inputted 3D primitives geometrically or rendering the inputted 3D primitives. A video decoder(100) outputs decoded video data by decoding inputted video bit streams. A multiplexer(109) outputs the 3D graphic data and the decoded video data. A frame memory(20) divides the 3D graphic data and the decoded video data into current images and previous images and stores the divided current images and the divided previous images. A display processing portion(110) performs a signal processing operation for the images stored in the frame memory(20).
Patent KR-20020007839-A (KR)
Title: Apparatus for displaying information about golf
Inventor: SHIN DUCK HOE
IPC: A63B43/00
Filed: 2000-07-19
Abstract: PURPOSE: Provided is an information display equipment for golf game which displays the location of a golf ball, the map of a hole, the direction of wind or other information so that it helps golfers to do exact shot or putting. CONSTITUTION: The information display equipment for golf game comprises the parts of: a signal transmission equipment which is placed inside the golf ball(100) to transmit the signal; and an information display(200) which senses the direction and the level of the signal transmitted from the signal transmission equipment of the golf ball and displays the location of the golf ball as the sensed consequence.
Patent KR-20020008903-A (KR)
Inventor: KIM BYEONG HUI
IPC: G03B21/20
Filed: 2000-07-21
Abstract: PURPOSE: A lamp assembly LCD(Liquid Crystal Display) projector is provided to expand life span of the LCD projector by refrigerating a lamp and to efficiently isolate light generated in the lamp. CONSTITUTION: A lamp assembly LCD projector comprises a lamp(41) emitting light; a lamp case(42) receiving the lamp; a lamp fixing spring(43) fixing the lamp into the lamp case; a lamp bracket(44) protecting the lamp case by fixing; a lamp radiating plate(45) mounted on a side portion of the lamp bracket; a lamp radiating plate attaching unit(48) connected to the lamp radiating plate; a lamp fan(46) generating wind corresponding to the lamp radiating plate of the lamp bracket; a flow hole(47) letting air in the lamp case from the lamp fan by being arranged on the lamp fan in a row; and plural holes preventing leakage of light of the lamp by being mounted on the lamp radiating plate. Thereby, the lamp assembly LCD projector expands life span of the LCD projector by refrigerating the lamp while efficiently blocking the light generated in the lamp.
Patent KR-20020008949-A (KR)
Title: A wafer boat for a semiconductor device fabrication
Inventor: AHN DU GEUN
IPC: H01L21/68
Filed: 2000-07-21
Abstract: PURPOSE: A wafer boat used for a fabricating process of a semiconductor is provided to minimize pollution of an edge of a wafer inserted into a groove by using a V-shaped groove having a spire and an incline plane. CONSTITUTION: A multitude of wafer(200) is loaded vertically to a wafer boat(100). The wafers(200) are loaded to the wafer boat(100) or unloaded from the wafer boat(100). The wafer boat(100) is formed with horizontal support portions(110,120) and a front and a rear fixing plate(132,134) for fixing both ends of the horizontal support portions(110,120). The horizontal support portions(110,120) are formed with the first horizontal support portion(110) for supporting both sides of the wafer(200) and the second horizontal support portion(120) for supporting a bottom of the wafer. A V-shaped groove(112) is formed on the first horizontal support portion(110). The V-shaped groove(112) has a spire portion(114), the first incline plane(116), and the second incline plane(118).
Patent KR-20010039821-A (KR)
Title: Adaptive gain and/or phase adjustment control system and method
Inventor: GHANADAN REZA
IPC: H04B1/04
Filed: 2000-08-17
Abstract: PURPOSE: The adaptive gain and phase adjustment control system and method is provided to adjust the relative phase and/or gain between combining signals for example in a distortion reduction system. CONSTITUTION: An adaptive gain and phase control circuitry(76) which receives an error signal representing the cancellation error for combining signals. Depending on the embodiment, the adaptive gain and phase adjustment system(76) can replace the nulling circuit or in the feed forward arrangement. The adaptive gain and phase adjustment circuitry(76) reduces the error signal by providing the phase and/or gain adjustment control signals to make relative gain and/or phase adjustments between combining signals to improve the error cancellation of the combining signals. To improve the error cancellation and/or the convergence rate, the adaptive phase and gain adjustment circuitry(76) adapts the adjustment resolution. The gain and/or phase control circuitry(76) can adapt the adjustment resolution by changing the relationship between an error signal and the resulting adjustment value or establishing a nonlinear relationship between the error signal and the resulting adjustment value. For example, the phase and/or gain control circuitry(76) can adapt the gain and/or phase adjustment resolution by changing the step-size or adjustment factor used to calculate the gain and/or phase adjustment values based on the error signal or another system parameter.
Patent KR-20020015151-A (KR)
Title: step-by-step education method of using internet
Inventor: YOON JONG CHEON
Filed: 2000-08-21
Abstract: PURPOSE: A method for gradual concentration learning using the Internet is provided to start a learning according to user's grade. CONSTITUTION: The learner(102) connects to a learning site(120) with a PC(104) at home through the Internet(110). The learner prints a download data through the Internet by using a printer(104) connected to the PC and the PC displays a web document through a common web browser. The learning site comprises a web server(122) and a database system(124), and provides the various contents corresponding to the learning. If the learner requests an on-line learning, the evaluation problems of the learning ability are automatically displayed to the browser of the PC and the learner solves the evaluation problems. The system automatically grades and analyzes the solved problems of the learner, and informs the start point of the learner. The evaluation results are stored in a database and managed continuously.
Patent KR-20020016226-A (KR)
Inventor: KANG SIN GYEONG
IPC: C02F9/14
Filed: 2000-08-25
Abstract: PURPOSE: Provided is a method for removal of nitrate, which is characterized in using reverse osmosis as a sanitary physical treatment for polluted water. The treated water is used as drinking water containing nitrate below standard through chlorination. The method is applied to a continuous sequencing batch reactor using microorganism for denitrification. CONSTITUTION: The method proceeds to the following steps: (i) filtration step to remove particles with 50μm or more of diameter by passing polluted water containing nitrate through a filter bed packed with sand; (ii) separation step to clarified water and thickened water containing nitrate by passing reverse osmosis; and (iii) denitrification step to convert nitrate to nitrogen gas in a continuous sequencing batch reactor with adding carbon source and mixing. The clarified water is sterilized by chlorination process and used for drinking water.
Patent KR-20020016973-A (KR)
Title: Output controller of alternator for vehicles
Inventor: BAEK SEUNG HO
IPC: H02J7/14
Filed: 2000-08-28
Abstract: PURPOSE: An output controlling apparatus of a car generator is provided to prevent exciting current from flowing by breaking generation of the generator for a while during initial starting in order to make a starter readily drive an engine and make the engine drive the generator. CONSTITUTION: An output controlling apparatus of a car generator comprises a generator(1), a regulator(2), a battery(3), a starter(4), a load(5), and a key switch. The generator(1) is coupled to an engine. The regulator(2) is coupled to the generator(1) for controlling a field current as on when RPM of the generator(1) exceeds a threshold. The battery(3) supplies power to the regulator(2). The starter(4) operates to start. The load(5) receives power from the battery(3). The key switch(6) is coupled to the regulator(2) to drive the starter(4). When the key switch(6) starts on, the regulator(2) breaks a base current of an output transistor to make the field current off. The starter(4) is provided with power only from the battery(3).
Patent KR-20020017236-A (KR)
Title: data input/output control unit for semicorductor memory device
Inventor: KWON MIN DO
IPC: G11C7/10
Filed: 2000-08-29
Abstract: PURPOSE: A data input/output control circuit of semiconductor memory device is provided to be capable of being used by a general purpose regardless of a bus size by designing a bus interface in a microprocessor unit by an advanced micro-controller bus architecture(AMBA) method. CONSTITUTION: A memory controller(71) includes an EBI control block(76), and variously changes a data width of a memory whose inner bus interface is designed by an advanced micro-controller bus architecture method. An outer bus interface block(72) latches control signals from the memory controller and interfaces the latched control signals to an external pad and an ASB bus. A data writing/reading operation is carried out regardless of a bus size by setting access timing by a corresponding control register at a direct memory access from the exterior and at a memory access in the interior.
Patent KR-20010070042-A (KR)
Inventor: ENDO MASAYUKI
IPC: C08F220/32
Filed: 2000-08-30
Abstract: PURPOSE: A curable composition and a color filter protective film are provided, which is excellent in heat resistance, flatness and transparency, especially a film for protecting a color filter, excellent in the heat resistance and the transparency. CONSTITUTION: This curable composition comprises £A|unsaturated carboxylic acid and/or unsaturated carboxylic acid anhydride(a1), a monomer containing an epoxy group(a2), a maleimide-based monomer(a3) and other monomer copolymers,£B|a multifunctional monomer, and £C|a radical genetor.
Patent KR-20020021757-A (KR)
Title: Structure and manufacturing method of a non-aqueous lithium polymer cell
Inventor: NOH HWAN JIN
IPC: H01M10/052
Filed: 2000-09-16
Abstract: PURPOSE: Provided are structure of non-aqueous lithium polymer battery and a process for producing the battery, which has high productivity and can produce the battery thin and excellent in performance. CONSTITUTION: The non-aqueous lithium polymer battery is formed by laminating a cathode multi-layered film(6) and an anode multi-layered film(7) in order, wherein the cathode multi-layered film(6) comprises porous polymer/cathode/porous polymer and the anode multi-layered film(7) comprises porous polymer/anode/porous polymer, and then forming a polymer electrolyte formed by distributing a liquid electrolyte uniformly in the porous polymer. The porous polymer is one selected from the group consisting of poly metha methyl acrylate, poly ethylene oxide, poly acrylo nitrile, poly vinylidene fluoride, poly hexapropylene fluoride, and polystyrene or a mixture thereof or a copolymer.
Patent KR-20020022429-A (KR)
Title: Lead-frame feeder of auto molding device
Inventor: CHOI JIN GYEONG
IPC: H01L21/50
Filed: 2000-09-20
Abstract: PURPOSE: A lead frame supplier of an apparatus for automatically molding a lead frame is provided to automatically supply the lead frame to the automatic molding apparatus, by placing the lead frame on a lead frame loading unit so that the lead frame is automatically exhausted by a pusher and is aligned in an alignment unit and by making a loader of a molding unit pick up the lead frame and supply the lead frame to a cavity of a lower molding die. CONSTITUTION: Multistage lead frames inserted in a cassette are loaded to a lead frame loading unit(100). A pusher 1(200) sequentially pushes the lead frame loaded in the cassette, positioned in the rear portion of the end of the lead frame loading unit. A pusher 2(300) secondly pushes out the lead frame exhausted from the cassette by the pusher 1. A pusher 3(400) ultimately pushes the lead frame pushed out by the pusher 2. The lead frame pushed out by the pusher 3 is settled in the alignment unit(500).
Patent KR-20010050582-A (KR)
Inventor: KANDA KOICHIRO
IPC: F16D3/12
Filed: 2000-09-22
Abstract: PURPOSE: To absorb inertia force applied to a motor drive shaft when jaw members stop at opening/closing ends, holding positions of a work or the like, to prevent damage to a motor component such as a gear caused by a shock. CONSTITUTION: In this electric hand, a cam member 12 installed to the drive shaft 3a of an electric motor 3 is formed with a pair of cam grooves 15, a pair of work holding jaw members 2 are respectively provided with drive pins 13 fitting in the cam grooves 15, and rotary swing motion of the drive shaft 3a is changed into opening/closing motion of the jaw members 2 through the cam member 12 and the drive pins 13. An inner tube member 18 installed to the drive shaft 3a is connected to an outer tube member 19 provided to the cam member 12 and relatively rotatably fitting on the inner tube member 18 through plural elastic bodies 20. Thereby, elastic deformation of the elastic bodies 20 absorbs a shock acting on the drive shaft 3a when the cam member 12 stops at a swing end.
Patent KR-20010030511-A (KR)
Title: A method for improving the oxidation-resistance of metal substrates coated with thermal barrier coatings
Inventor: GRAY DENNIS MICHAEL
IPC: C23C4/18
Filed: 2000-09-27
Abstract: PURPOSE: A method for increasing aluminum content in the surface of a superalloy is provided to improve oxidation resistance of metallic base material. CONSTITUTION: The method for providing a protective coating on a metal-based substrates includes: (i) applying an aluminum-rich mixture to the substrate to form a discontinuous layer of aluminum-rich particles in a matrix of metallic bond coat alloy, wherein the amount of aluminum in the particles exceeds the amount of aluminum in the metallic bond coat alloy by about 0.1 atomic% to about 40 atomic%, and wherein the total amount of aluminum in the aluminum-rich mixture is in the range of about 10 atomic% to about 50 atomic%; (ii) applying at least one coating layer over the discontinuous layer of aluminum-rich particles. In the method, the aluminum-rich mixture comprises (i) a first component comprising particles of aluminum and a second metal; (ii) a second component comprising particles of an alloy of the formula MCrAlY, where M is selected from the group consisting of Fe, Ni, Co, and mixtures thereof.
Patent KR-20010007822-A (KR)
Inventor: LEE SUNG MOK
IPC: B24B47/00
Filed: 2000-10-02
Abstract: PURPOSE: An automatic peripheral velocity increasing device of a grinding stone having a decreased diameter by machining is provided to keep quality of product regular and to enhance quality and reliability of a grinding machine remarkably by increasing the peripheral velocity of a grinding stone having a decreased diameter by diamond machining to grind a work piece at a start peripheral velocity all the times. CONSTITUTION: An interval between first/second moving dies becomes narrow by rotation of a transfer shaft as the diameter of grinding stones(1,2) gets smaller by grinding. A sensor(51) detects movement of a rod(50) on the second moving die when the rod moves together with the second die. An inverter(60) receives the detected signal to drive a first motor(43). The transfer shaft connected with the first motor rotates. The interval between the first/second moving dies gets narrow in proportion to the decreased diameter of the grinding stones by rotation of the transfer shaft. Thereby, first to third corrugated pipes are expanded and contracted to prevent impurity from flowing into an inner space. The inverter increases the RPM(revolution per minute) of second/third motors(32,33) automatically by transmitting signals thereto after receiving the sensor signal.
Patent KR-20010050894-A (KR)
Inventor: HEBB JEFFREY PAUL
IPC: G01J5/10
Filed: 2000-10-06
Abstract: PURPOSE: A method and a system for determining stray light in a heat treatment system are provided to determine the amount of stray radiation present in a heating chamber of a thermal processing furnace. CONSTITUTION: The system includes a furnace housing having a heating chamber(74), a detector(36) optically coupled to the heating chamber(74) for detecting the total radiation present in the heating chamber(74) and reflected from a wafer disposed therein, and a control stage for correlating the radiation detected by the detector(36) with the amount of stray radiation in the heating chamber(74). In the system, the stray radiation is determined by moving an unheated wafer to a plurality of longitudinal positions, and measuring with a detector(36) the amount of radiation reflected from the wafer in each longitudinal direction. The total measured radiation is then correlated with the stray radiation component of the total radiation.
Patent KR-20020028591-A (KR)
Title: Candy containing bamboo salt and red flower seed
Inventor: KIM YEONG HUI
IPC: A23G3/00
Filed: 2000-10-11
Abstract: PURPOSE: Provided is a double layered candy including bamboo salts and safflower seed. It is nutraceutically excellent as containing a fir extract, safflower seed, bamboo salts and Rhynchosia Nulubilis powder, and has novel flavor due to its double layered structure. CONSTITUTION: The double layered candy contains: roasted Rhynchosia Nulubilis powder and glucose in its inner layer; and a fir extract, sugar, roasted safflower seed and bamboo salts in its outer layer. The weight ratio of its inner layer to outer layer is characteristically 1:1.
Patent KR-20020029549-A (KR)
Inventor: AHN GWANG HYEOP
IPC: F04B35/01
Filed: 2000-10-13
Abstract: PURPOSE: A reciprocating compressor is provided to improve compressing performance by preventing overpressure loss on compression and increasing inflow amount of refrigerant on intake. CONSTITUTION: A compression part includes a main piston(32); an auxiliary piston(36); and a resonant body(34). The main piston is connected with a connecting rod(14) to linearly reciprocate. The auxiliary piston contacts with refrigerant to compress and intake in a cylinder. The resonant body is a leaf spring, a coil spring or a pneumatic spring and is interposed between the main piston and the auxiliary piston. A coupling device(33) is installed between the main piston and the auxiliary piston to prevent detachment. The coupling device comprises a coupling pipe(33a) and a coupling rod(33b). Fixing protrusions(33b1,33a1) are installed on front ends of the coupling pipe and the coupling rod to prevent detachment from each other.
Patent KR-20010040090-A (KR)
Title: Method for growing thin oxide films
Inventor: KUKLI KAUPO
IPC: C23C16/44
Filed: 2000-10-14
Abstract: PURPOSE: A method for growing an oxide thin film is provided to induce various metal ions to the inside of an oxide structure and to rapidly grow the oxide thin film, by using an oxygen source material in an atomic layer deposition(ALD) method such that the oxygen source material is less active regarding the oxidation of a substrate. CONSTITUTION: The oxide thin film is grown by an ALD method in which the oxide thin film is adhered to a substrate through alternate surface reactions of a metal source material and the oxygen source material. The oxygen source material has at least one organic ligand, and is a boron, silicon or metal compound in which an oxygen atom is coupled to at least one boron, silicon or metal atom.
Patent KR-20020031817-A (KR)
Title: A field emission display and manufacturing method for it
Inventor: HUH JIN U
IPC: H01J1/30
Filed: 2000-10-24
Abstract: PURPOSE: An FED(Field Emission Display) and a method for fabricating the same are provided to prevent a cross-talk phenomenon by forming a CNT(Carbon Nano Tube) on a cathode electrode part. CONSTITUTION: An anode electrode(32) is formed on a rear substrate(30). The rear substrate(30) is formed by a material such as a silicon wafer or a glass. An insulating layer(34) having an emitter hole(40) is formed on the anode electrode(32). A fluorescent material(42) is formed on the anode electrode(32) exposed by the emitter hole(40). A catalytic metal layer(36) and a cathode electrode layer(38) are formed sequentially on the insulating layer(34). A CNT(44) is formed on an edge portion of the emitter hole(40) of the catalytic metal layer(36). The insulating layer(34) is formed with an oxide layer or a nitride layer. The catalytic metal layer(36) is formed by a metal such as Co or Ni or Fe. The cathode electrode layer(38) is formed by a low resistance metal layer such as Cr. A front substrate(50) is installed on the rear substrate(30).
Patent KR-20020033260-A (KR)
Title: Cleaning apparatus for semiconducter wafer
Inventor: BYUN JU SANG
IPC: B08B1/04
Filed: 2000-10-30
Abstract: PURPOSE: An apparatus for cleaning a semiconductor wafer is provided to easily install an injector for injecting deionized water and make a layout of the injector by installing the injector near a brush for performing a cleaning process, and to eliminate particles on a wafer by stably forming a uniform water layer while the injector injects deionized water in a direction that the brush proceeds. CONSTITUTION: The first injector(61) injects deionized water from a side of the upper portion of the wafer(10) to the center of the wafer. The second injector(62) makes a nozzle installed near the brush(50) along the outer circumferential surface of the brush arm(51) supporting the brush. The second injector is horizontally transferred along the brush, supplying deionized water to the front of the transferred brush.